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| author | Fred Isaman <iisaman@netapp.com> | 2012-04-24 14:50:34 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2012-04-27 14:10:39 -0400 |
| commit | df0117481cd94dbb8970f4be9d05b0568fa09ab1 (patch) | |
| tree | 8de0587b5e1be30510925392577e0ad8aac32bc4 /fs/nfs/nfs4filelayout.c | |
| parent | 1763da1234cba663b849476d451bdccac5147859 (diff) | |
| download | linux-df0117481cd94dbb8970f4be9d05b0568fa09ab1.tar.gz linux-df0117481cd94dbb8970f4be9d05b0568fa09ab1.tar.bz2 linux-df0117481cd94dbb8970f4be9d05b0568fa09ab1.zip | |
NFS: Prevent garbage cinfo->ds from leaking out
This is a bugfix that applies on top of the previous directio patches,
that fixes a bug introduced in "NFS: create struct nfs_commit_info".
Signed-off-by: Fred Isaman <iisaman@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4filelayout.c')
| -rw-r--r-- | fs/nfs/nfs4filelayout.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/nfs/nfs4filelayout.c b/fs/nfs/nfs4filelayout.c index 806a55f513d9..80a63f6d9e14 100644 --- a/fs/nfs/nfs4filelayout.c +++ b/fs/nfs/nfs4filelayout.c @@ -1184,7 +1184,12 @@ filelayout_free_layout_hdr(struct pnfs_layout_hdr *lo) static struct pnfs_ds_commit_info * filelayout_get_ds_info(struct inode *inode) { - return &FILELAYOUT_FROM_HDR(NFS_I(inode)->layout)->commit_info; + struct pnfs_layout_hdr *layout = NFS_I(inode)->layout; + + if (layout == NULL) + return NULL; + else + return &FILELAYOUT_FROM_HDR(layout)->commit_info; } static struct pnfs_layoutdriver_type filelayout_type = { |